1ff9f475dSJason Liu /* 2ff9f475dSJason Liu * (C) Copyright 2009 3ff9f475dSJason Liu * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 4ff9f475dSJason Liu * 5ff9f475dSJason Liu * See file CREDITS for list of people who contributed to this 6ff9f475dSJason Liu * project. 7ff9f475dSJason Liu * 8ff9f475dSJason Liu * This program is free software; you can redistribute it and/or 9ff9f475dSJason Liu * modify it under the terms of the GNU General Public License as 10ff9f475dSJason Liu * published by the Free Software Foundation; either version 2 of 11ff9f475dSJason Liu * the License, or (at your option) any later version. 12ff9f475dSJason Liu * 13ff9f475dSJason Liu * This program is distributed in the hope that it will be useful, 14ff9f475dSJason Liu * but WITHOUT ANY WARRANTY; without even the implied warranty of 15ff9f475dSJason Liu * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16ff9f475dSJason Liu * GNU General Public License for more details. 17ff9f475dSJason Liu * 18ff9f475dSJason Liu * You should have received a copy of the GNU General Public License 19ff9f475dSJason Liu * along with this program; if not, write to the Free Software 20ff9f475dSJason Liu * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21ff9f475dSJason Liu * MA 02111-1307 USA 22ff9f475dSJason Liu */ 23ff9f475dSJason Liu 24ff9f475dSJason Liu #ifndef __ASM_ARCH_CLOCK_H 25ff9f475dSJason Liu #define __ASM_ARCH_CLOCK_H 26ff9f475dSJason Liu 27*833b6435SBenoît Thébaudeau #include <common.h> 28*833b6435SBenoît Thébaudeau 29*833b6435SBenoît Thébaudeau #ifdef CONFIG_SYS_MX5_HCLK 30*833b6435SBenoît Thébaudeau #define MXC_HCLK CONFIG_SYS_MX5_HCLK 31*833b6435SBenoît Thébaudeau #else 32*833b6435SBenoît Thébaudeau #define MXC_HCLK 24000000 33*833b6435SBenoît Thébaudeau #endif 34*833b6435SBenoît Thébaudeau 35*833b6435SBenoît Thébaudeau #ifdef CONFIG_SYS_MX5_CLK32 36*833b6435SBenoît Thébaudeau #define MXC_CLK32 CONFIG_SYS_MX5_CLK32 37*833b6435SBenoît Thébaudeau #else 38*833b6435SBenoît Thébaudeau #define MXC_CLK32 32768 39*833b6435SBenoît Thébaudeau #endif 40*833b6435SBenoît Thébaudeau 41ff9f475dSJason Liu enum mxc_clock { 42ff9f475dSJason Liu MXC_ARM_CLK = 0, 43ff9f475dSJason Liu MXC_AHB_CLK, 44ff9f475dSJason Liu MXC_IPG_CLK, 45ff9f475dSJason Liu MXC_IPG_PERCLK, 46ff9f475dSJason Liu MXC_UART_CLK, 47ff9f475dSJason Liu MXC_CSPI_CLK, 48ff9f475dSJason Liu MXC_FEC_CLK, 49d87c85ceSStefano Babic MXC_SATA_CLK, 5070cc86a6SFabio Estevam MXC_DDR_CLK, 5170cc86a6SFabio Estevam MXC_NFC_CLK, 5270cc86a6SFabio Estevam MXC_PERIPH_CLK, 53e7bed5c2SMatthias Weisser MXC_I2C_CLK, 54ff9f475dSJason Liu }; 55ff9f475dSJason Liu 56ff9f475dSJason Liu u32 imx_get_uartclk(void); 57ff9f475dSJason Liu u32 imx_get_fecclk(void); 58ff9f475dSJason Liu unsigned int mxc_get_clock(enum mxc_clock clk); 5970cc86a6SFabio Estevam int mxc_set_clock(u32 ref, u32 freq, u32 clk_type); 605d2947a3SWolfgang Grandegger void set_usb_phy2_clk(void); 615d2947a3SWolfgang Grandegger void enable_usb_phy2_clk(unsigned char enable); 625d2947a3SWolfgang Grandegger void set_usboh3_clk(void); 635d2947a3SWolfgang Grandegger void enable_usboh3_clk(unsigned char enable); 648c38b5d0SStefano Babic void mxc_set_sata_internal_clock(void); 65cc54a0f7STroy Kisky int enable_i2c_clk(unsigned char enable, unsigned i2c_num); 665d2947a3SWolfgang Grandegger 67ff9f475dSJason Liu #endif /* __ASM_ARCH_CLOCK_H */ 68